body {
  background-color: #eee;
  height: 100vh;
  width: 100%;
}
#app {
  padding-top: 100px;
  width: 664px;
  margin: 0 auto;
  user-select: none;
}
.header {
  width: 100%;
  text-align: center;
}
.header h1 {
  color: #ff6700;
  font-size: 24px;
  font-weight: bold;
}
.main .search {
  margin: 20px auto 5px auto;
  position: relative;
  height: 32px;
  width: 664px;
}
.main input {
  display: inline-block;
  height: 30px;
  width: 600px;
  padding-left: 14px;
  outline: none;
  border: none;
  position: absolute;
  border-top-left-radius: 50px;
  border-bottom-left-radius: 50px;
}
.main .btn {
  display: inline-block;
  position: absolute;
  width: 60px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  left: 604px;
  background-color: #ff6700;
  border-top-right-radius: 50px;
  border-bottom-right-radius: 50px;
  color: #fff;
  font-weight: 500;
}
.common-use {
  padding-left: 10px;
}
.common-use a {
  display: inline-block;
  color: #666;
  font-size: 12px;
  text-decoration: none;
}
.weather {
  text-align: center;
  margin-top: 50px;
  width: 100%;
  height: 100px;
  /*flex布局*/
}
.weather ul {
  display: flex;
  /*自左向右*/
  flex-direction: row;
  /*不换行*/
  flex-wrap: nowrap;
  /*两端对齐*/
  justify-content: space-between;
}
.weather li {
  display: block;
  float: left;
}
.weather h1 {
  color: #ff6700;
  font-size: 18px;
  font-weight: bold;
}
.weather p {
  font-size: 10px;
  color: #666;
  margin: 5px 0;
}
